#ifndef __STLIB__
#define __STLIB__

// background and foreground screen numbers

#define BG 4
#define FG 0

/*
 *                   Typedefs of widgets
 */

// Number widget

typedef struct
{
  int x, y;     // upper right-hand corner of the number (right-justified)
  int width;    // max # of digits in number
  int oldnum;   // last number value
  int *num;     // pointer to current value
  boolean *on;  // pointer to boolean stating whether to update number
  patch_t **p;  // list of patches for 0-9
  int data;     // user data
} st_number_t;

// Percent widget (child of number widget)

typedef struct
{
  st_number_t n; // number information
  patch_t *p;   // percent sign graphic
} st_percent_t;

// Multiple Icon widget

typedef struct
{
  int x, y;     // center-justified location of icons
  int oldinum;  // last icon number
  int *inum;    // pointer to current icon
  boolean *on;  // pointer to boolean stating whether to update icon
  patch_t **p;  // list of icons
  int data;     // user data
} st_multicon_t;

// Binary Icon widget

typedef struct
{
  int x, y;     // center-justified location of icon
  int oldval;   // last icon value
  boolean *val; // pointer to current icon status
  boolean *on;  // pointer to boolean stating whether to update icon
  patch_t *p;   // icon
  int   data;   // user data
} st_binicon_t;

/*
 *                   Widget creation, access, and update routines
 */

// initializes widget library
void STlib_init(void);

// Number widget routines

void STlib_initNum(st_number_t *n, int x, int y, patch_t **pl, int *num,
  boolean *on, int width);
void STlib_updateNum(st_number_t *n, boolean refresh);

// Percent widget routines

void STlib_initPercent(st_percent_t *p, int x, int y, patch_t **pl, int *num,
  boolean *on, patch_t *percent);
void STlib_updatePercent(st_percent_t *per, int refresh);

// Multiple Icon widget routines

void STlib_initMultIcon(st_multicon_t *mi, int x, int y, patch_t **il,
  int *inum, boolean *on);
void STlib_updateMultIcon(st_multicon_t *mi, boolean refresh);

// Binary Icon widget routines

void STlib_initBinIcon(st_binicon_t *b, int x, int y, patch_t *i,
  boolean *val, boolean *on);
void STlib_updateBinIcon(st_binicon_t *bi, boolean refresh);

#endif